* Fixed jQuery.isFunction to return false on nodes.
* Fixed jQuery.className.has, escaping regex characters in className (for metadata)
* Fixed an issue in IE where an event on a cloned element is fired during a .clone() inside of an event handler.
* Fixed jQuery.isFunction to return false on nodes.
* Fixed jQuery.className.has, escaping regex characters in className (for metadata)
* Fixed an issue in IE where an event on a cloned element is fired during a .clone() inside of an event handler.